If you drive a car and notice that another vehicle that follows you has the intention of overtaking you, you are . obliged to indicate the possibility of doing so, extending your arm and moving it from back to front, with the back of your hand backwards, or turning on the right indicator ? .
Yes, in any case .
No, in no case .
Only if I cannot fully adhere to the right edge of the road and the overtaking can be done safely .